Plastic welder



FIG. 1 is a perspective view of a plastic welder showing my new design;

FIG. 2 is another perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines in the figures are for the purposes of illustrating portions of the plastic welder, which form no part of the claimed design. 

CLAIM The ornamental design for a plastic welder, as shown and described. 